Selected MCQ

Current Question
The graph used to show data on a nominal scale is called ____.
  • A. Line graph
  • B. Pie graph
  • C. Speed graph
  • D. None of these
Correct Answer: B
Explanation:
Pie graphs are ideal for showing parts of a whole on a nominal/categorical scale.
Related Question 1
A network which is used for sharing data, software and hardware among several users owning microcomputers is called ____.
  • A. WAN
  • B. MAN
  • C. LAN
  • D. VAN
Correct Answer: C
Explanation:
LAN (Local Area Network) is used for local sharing.
Related Question 2
Graphical representation of data is called ____.
  • A. Pie chart
  • B. Scatter plot
  • C. Line chart
  • D. Bar Chart
Correct Answer: D
Explanation:
All listed options are types of charts; the general term for a graphical representation is "chart" (Bar Chart is one example, but the document selects D as representative).
Related Question 3
Computers that are used in large organizations such as insurance companies and banks, where many people frequently need to use same data, are ____.
  • A. Mainframe computers
  • B. Supercomputers
  • C. Hybrid computers
  • D. Desktop computers
Correct Answer: A
Explanation:
Mainframe computers are designed for high-volume data processing in large organizations.
Related Question 4
Computers manipulate data in many ways, and this manipulation is called ____.
  • A. Upgrading
  • B. Processing
  • C. Batching
  • D. Utilizing
Correct Answer: B
Explanation:
Data manipulation by a computer is called processing.
Related Question 5
Coded entries which are used to gain access to a computer system are called ____.
  • A. Entry codes
  • B. Passwords
  • C. Security commands
  • D. Code words
Correct Answer: B
Explanation:
Passwords are secret codes used to authenticate and gain access to a system.